Removable locking post



H. s. JONES REMOVABLE LOOKING POST Filed'August 20, 1923 n I w Patented Aug. 3, 1926.

UNITED STATES HARRY S. JONES, OF CHICAGO, TLLINOIS.

REMOVABLE LOCKING rosr.

Application filed August 20, 1923. Serial No. 658,253.

This invent-ion relates to removable leaflocking posts for loose leaf binders primarily adapted for use in connection with a posting tray.

It is an object of this invention to provide an impaling post in connection with a loose leaf binder that is adapted to lock the loose leaves in the binder and that is adapted to be quickly removed when the binder has been positioned upon a posting tray preparatory to posting.

With these and other advantages in view, which will become more apparent in the following description and disclosures, this invention comprises the novel mechanism and combinations hereinafter described and more particularly pointed out in the appended claims.

In the accompanying drawings which illustrate certain preferred embodiments of this invention and in which similar reference numerals refer to similar features in the different views. a 1

Fig.1 is a perspective view of a loose leaf binder embodying this invention.

Fig. 2 is a fragmentary top plan view with the upper cover removed Fig. 3 is an enlarged fragmentary top plan view of the binder showing the locking post.

Fig. 4 is an enlarged sectional view through the locking post and lower clamping member.

Fig. 5 is an enlarged fragmentary sectional view of a modified form of locking post secured to the lower clamping member, with the upper section of the post in elevation.

In referring to the drawings there is illustrated a loose leaf binder comprising a lower clamping member 1 and an upper clamping member 2. Covers 3 are hinged to these clamping members as usual. In the present instance, the lower clamping member 1 is illustrated as supporting a pair of impaling posts 4 of any well-known or standard con struction, and the loose leaves or sheets 5 are illustrated as having slots 6 extending inwardly from the rear edge for receiving the posts 4, and with intermediate slots 7 be tween the slots 6 having circular or appropriate enlargements at their inner ends for receiving a locking post 8. The different slots in the leaves are equally spaced apart so that any desired leaf or sheet may be offset the distance of one space. For this rea- 'trated in Fig. 5.

In Fig.4,the locking post isshown as consisting of a plurality of hollow tubular sections .9 and 10 which are threaded together at their, adjacent ends. A cap 11 is adapted'to be screwed in the top of the upper section 10 and the lower end of the sec tion 9 has a slightly enlargedbore which is internally threaded. A short interior post or stub 12 provided with a lower reduced threaded portion which is screw-threaded into an anchor block 13 confined within the lower clamping member 1 which is hollow, said stub shaft projecting a short distance above the said clamping member for forming a support for the hollow post. The stub post 12 is provided with an enlarged externally threaded cylindricalboss 14 adjacent the top of the clamping member 1. This cylindrical boss is designed to fit within the enlarged internally threaded bore at the lower endof the post section 9. .The screwthreads on the boss 14 and the threads in the lower end of the hollow section 10 are of equally steep pitch whereby a quick release-may be efiected between the hollow sectional post and the supporting stub post 12, only about one turn being required.

The upper end of the stub shaft 12 is provided with a threaded socket for receiving the lower threaded tenon of a suitable rod within the sectional sleeve. The threaded boss 14 is designed to pass through the neck of the locking slots 7 in the loose leaves. A turn of the sectional sleeve will unscrew'the sleeve from the boss 14 allowing the sectional sleeve to be slipped off the sectional rod, permitting loose leaves to be withdrawn from the sectional rod. It is accordingly obvious that in using this binder in connection with ,a machine posting tray, the locking post may be quickly removed to unlock the leaves.

The locking post just described is obviously adjustable or extensible since the hollow sections 10 may be removed and the cap 11 screwed upon the upper end of the post section 9, or one or more post sections 10 may be added.

It should be noted that the stub post 12 supports the hollow sectional post 9-10 against lateral movement, and that the shoulder upon the upper end of the cylindrical hollow sectional post in that the shoulder In the modified form of locking post shown in Fig. 5, the post sections are inthe form of solid cylindrical members. The lower post section has a reduced lower end 16 provided with screw threads of a highpitch and adjacent the upper end of this reduced end, the said post section is provided with a conical seat 17. Within the lower clamping member 1 is secured a supporting block 18 having a conical seat or recess in its upper on the post section 15. -Centrally of this conical recess, the supporting block 18 is provided with a downwardlyextending bore which is internally screw-threaded, the screw threads having a high pitch similar to those on the reduced end 16 of the lower post section. The upper side of the clampmg member 1 is provided with a suitable aperture to allow the lower post section 15 to be screwed into its supporting block 18, the conical seat serving to strengthen the connection so that thefpost may not be so easily sheared off by lateral pressure. The

7' upper end of the post section 15 is provided with a cylindrical screw threaded'rec'ess for receiving another post section 19. It is evident that as many post sections 19 as desired may be added to increase the capacity 'of the binder.

Itis characteristic of this invention that formed at the upper end of the enlarged 7 bore in the post section 9 rests thereupon.

surface corresponding to the conical seat 17 the locking postcan be removed by a single turn and can be as quickly replaced, whereby much time and labor can be saved. boss 1 1 forms a horizontal support for the 1 I am aware that numerous details of construction may be varied through a wide range withoutdeparting from the principles of this invention, and I therefore do not purposelimiting the patent granted otherwise than necessitated by the prior art.

I claim asmy inventionz v V 1. In a loose leaf binder, a lower clamping member, a supporting member associated'therewith and having a screw-threaded connection of a steep pitclrand a sectional posthaving a screw-threaded connection of steep pitch adaptedto be secured to said support.

2. In a loose leaf binder, a lower clamping member, a. pair of impaling posts -se cured thereto, and an intermediate post of greater diameter than the other posts removably secured to said clamping member.

3. In a loose leaf bind-er, a hollow clamping member, a block secured therein, a stub post secured in said block and extending thereabove, and having anenlarged cylindrical boss, and a hollow sectional post having a quick-release threaded connection with said boss. I I

4:- In a loose leaf binder, a lower clamping member, a stub post projecting thereabove and having a cylindrical boss adjacent said clamping member, and a hollow sectional post having a quick-release conneetion with said boss;

In testimony whereof I have hereunto subscribed my name. f

- HARRY S. JONES. 

